220199755

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 281957760

約数和(自身を除く): 61758005

約数列:

[1, 5, 29, 71, 73, 145, 293, 355, 365, 1465, 2059, 2117, 5183, 8497, 10295, 10585, 20803, 21389, 25915, 42485, 104015, 106945, 150307, 603287, 620281, 751535, 1518619, 3016435, 3101405, 7593095, 44039951, 220199755]

約数ペア:

[(1, 220199755), (5, 44039951), (29, 7593095), (71, 3101405), (73, 3016435), (145, 1518619), (293, 751535), (355, 620281), (365, 603287), (1465, 150307), (2059, 106945), (2117, 104015), (5183, 42485), (8497, 25915), (10295, 21389), (10585, 20803)]